Laptop Battery for Dell TRHFF 5447 15-5547/5548 P39F P49G Series 11.4V 48Wh, High Capacity, 1-Year Warranty

**Product Overview**
Upgrade your Dell laptop with this high-performance replacement battery, designed specifically for the Dell Inspiron 5447, 15-5547, 15-5548, and compatible models (P39F, P49G). With a capacity of 48Wh and voltage of 11.4V, this battery delivers stable power for daily work, study, and entertainment.

**Important Voltage Warning**
Please confirm your original battery voltage is 11.4V before purchasing. Using an incorrect voltage battery may cause system instability or damage. This battery is NOT compatible with 7.6V or 14.8V models.

**Compatible Models & Part Numbers**
- Dell Inspiron 5447 (15-5447)
- Dell Inspiron 15-5547
- Dell Inspiron 15-5548
- Dell Inspiron P39F
- Dell Inspiron P49G
- Dell TRHFF (original battery part number)

**Specifications**
| Parameter | Value |
|-----------|-------|
| Battery Type | Li-ion |
| Voltage | 11.4V |
| Capacity | 48Wh / 4200mAh |
| Cell Count | 4 cells |
| Color | Black |
| Weight | Approx. 280g |
| Warranty | 12 months |

**Comparison Table**
| Feature | This Battery | Generic Low-Cost Battery |
|---------|--------------|--------------------------|
| Capacity | 48Wh (Standard) | Often <40Wh (Lower runtime) |
| Safety Protection | Overcharge, short-circuit, overheat | Basic or none |
| Cell Quality | Grade A cells | Unknown or recycled cells |
| Compatibility | Full tested for listed models | May have fit or power issues |

**Installation Tips**
1. Power off your laptop and unplug the AC adapter.
2. Remove the back cover (screws may be required check your model).
3. Disconnect the old battery cable and remove the battery.
4. Insert the new battery, reconnect the cable, and secure the cover.
5. Charge the battery fully before first use for optimal performance.

**Package Includes**
- 1 x Replacement Battery



**Note: ** If your laptop does not recognize the battery, please
perform a power reset: remove the battery, hold the power button for 15 seconds, then reinstall the battery and charge.

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